Simpson Strong-Tie Wood Construction Connectors
Simpson Strong-Tie ® Wood Construction Connectors
SD Wafer-Head Screw
The #8 x 1 1⁄4 " SD Wafer-Head screw is ideal for miscellaneous fastening applications. The needle point ensures fast starts, and a deep #2 Phillips drive provides secure driver bit engagement. Material: Heat-treated carbon steel Finish: Electro-galvanized Codes: See p. 11 for Code Reference Key Chart Warning: Industry studies show that hardened fasteners can experience performance problems in wet or corrosive environments. Accordingly, use the #8 x 1 1⁄4 " SD Wafer-Head screw in dry, interior and non-corrosive environments only.
11/4"
11/4"
DF/SP Allowable Loads
SPF/HF Allowable Loads
Model No.
Size (in.)
Code Ref.
Wafer-Head Screw (not for structural applications)
Shear (100) Steel Side Plate 10 ga. or Greater
Shear (100) Steel Side Plate 10 ga. or Greater
5/32 x 1 1/4
50
45
—
SD8 x 1.25-R
1. The Wafer-Head SD8x1.25 wood screw requires 3/4 " minimum penetration. Do not use SD8x1.25 screws with structural connectors unless specified and stated in this catalog.
RC Ripper Clip
The ripper clip is designed to connect ripped 2x framing to the top of another wood joist. Material: 20 gauge Finish: Galvanized Installation: • Use all specified fasteners; refer to General Notes • Attach RC to ripper, then attach ripper/RC assembly to roof joist Codes: See p. 11 for Code Reference Key Chart
RC1.56 (others similar)
Fasteners (in.)
Allowable Uplift Load F 1
Model No.
W (in.)
Code Ref.
F 2
Ripper
Joist
(160)
Miscellaneous
C-C-2021 ©2021 SIMPSON STRONG-TIE COMPANY INC.
RC1.56 1 9/16
(2) 0.148 x 1 1/2 RC1.81 1 13/16 RC2.1 2 1/8 1. Allowable loads are for DF ripper members. 2. Uplift loads have been increased for earthquake or wind loading with no further increase allowed. Reduce where other loads govern. 3. Designer to consider stability/blocking requirements for system, if necessary. 4. Spacing of RC per designer. 5. Fasteners: Nail dimensions are listed diameter by length. See pp. 21–22 for fastener information. (2) 0.148 x 1 1/2 205
240 205 —
Typical RC Installation
315
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